Our "instant index" tonight begins with an american original. El more leonard has died. Tough detective, mysterious women, his novels immortalized by hollywood like get shorty, out of sight, jackie brown. Leonard wrote in long hand on plane yellow pads. His number one rule was if it sounds like writing, rewrite it. He was 87. What is being called the oldest globe ever found dating back to 1504, it's the size of a grape fut. It's in latin. North america just a spray of strange islands. Over southeast asia, one sentence, fear the drag ones, a warning for anyone venturing to the own none. There is a more empowering star tonight. He's a mechanical engineering student and nerd king at georgia tech. He was picked to welcome the new freshman and urged them to free their imagination so he turned on the superhero music and went for it. If you want to change the world, you're at georgia tech. You can do that. We're at georgia tech. We can do that! I am doing that! After some pretty bewildered looks from the faculty and some from those in the crowd, the aspiring engineers gave him a standing ovation. Showbiz is stuff but we're with you.

This transcript has been automatically generated and may not be 100% accurate.

Instant Index: 4-Year-Old Orca Saved by Locals in Canada

Diane Sawyer reveals the top stories people have been buzzing about this week.

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